Thermal conductivity and scattering mechanisms in high-T-c oxide superconductors

被引：0
|
作者：
Noto, K [1 ]
Matsukawa, M [1 ]
Iwasaki, K [1 ]
Watanabe, K [1 ]
Sasaki, T [1 ]
Kobayashi, N [1 ]
机构：
[1] TOHOKU UNIV,INST MAT RES,SENDAI,MIYAGI 98077,JAPAN
来源：
SCIENCE REPORTS OF THE RESEARCH INSTITUTES TOHOKU UNIVERSITY SERIES A-PHYSICS CHEMISTRY AND METALLURGY | 1996年 / 42卷 / 02期
关键词：
thermal conductivity; BPSCCO; scattering mechanism; BRT theory; quasiparticle damping;
D O I：
暂无
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Scattering mechanisms of a c-axis aligned (Bi,Pb)(2)Sr2Ca2Cu3Oy have been studied by a numerical analysis based on a model in which two scattering mechanisms, phonon-electron scattering and electron-electron scattering, are coexisting as the main cause of the thermal conductivity enhancement below the superconducting transition temperature, T-c. We found a fairly good agreement between experimental results of temperature dependence and magnetic field dependence of the thermal conductivity and the coexisting model, as well as the model with electron-electron scattering (Proc.US-Japan WS on J(c) in high T-c Oxide Superconductors (Oct.1995,Tsukuba): to be published), suggesting the coexistence of above mentioned two scattering mechanisms.
引用
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页码：359 / 364
页数：6
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